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      </a></span></div></div> <div data-v-7dd95ae2><div data-v-7dd95ae2><main class="page" style="padding-right:0;"><section style="display:;"><div class="page-title"><h1 class="title">视频标签及其使用</h1> <div data-v-8a445198><i class="iconfont reco-account" data-v-8a445198><span data-v-8a445198>凯</span></i> <i class="iconfont reco-date" data-v-8a445198><span data-v-8a445198>4/25/2024</span></i> <!----> <i class="tags iconfont reco-tag" data-v-8a445198><span class="tag-item" data-v-8a445198>html</span></i></div></div> <div class="theme-reco-content content__default"><h3 id="_1-音视频标签"><a href="#_1-音视频标签" class="header-anchor">#</a> 1.音视频标签</h3> <blockquote><p>标签有哪些 属性及 属性的作用</p> <p>通过js可以操作哪些属性 并 知道有什么效果</p></blockquote> <h3 id="_1-video-视频标签"><a href="#_1-video-视频标签" class="header-anchor">#</a> 1.video 视频标签</h3> <blockquote><p>controls  控制台：快进 快退   暂停播放 继续播放  下载视频按钮  播放的时间进度</p> <p>autoplay: 是否进入页面的瞬间 自动播放  【如果在浏览器中使用，必须先静音】</p> <p>loop：是否循环播放，如果视频播放结束，是否自动重新开发播放</p> <p>muted： 是否静音</p> <p>poster：视频默认的首图</p></blockquote> <div class="language-html line-numbers-mode"><pre class="language-html"><code><span class="token tag"><span class="token tag"><span class="token punctuation">&lt;</span>video</span> <span class="token attr-name">src</span><span class="token attr-value"><span class="token punctuation attr-equals">=</span><span class="token punctuation">&quot;</span>视频路径（相对路径、绝对路径、互联网url地址）<span class="token punctuation">&quot;</span></span>  <span class="token attr-name">width</span><span class="token attr-value"><span class="token punctuation attr-equals">=</span><span class="token punctuation">&quot;</span>300<span class="token punctuation">&quot;</span></span>  <span class="token attr-name">height</span><span class="token attr-value"><span class="token punctuation attr-equals">=</span><span class="token punctuation">&quot;</span>500<span class="token punctuation">&quot;</span></span> <span class="token punctuation">&gt;</span></span> <span class="token tag"><span class="token tag"><span class="token punctuation">&lt;/</span>video</span><span class="token punctuation">&gt;</span></span>
</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div><h4 id="通过js-操作video"><a href="#通过js-操作video" class="header-anchor">#</a> 通过js 操作video</h4> <ul><li>暂停播放  pause</li> <li>继续播放  play</li> <li>重载  load</li></ul> <div class="language-js line-numbers-mode"><pre class="language-js"><code><span class="token comment">//获取video dom</span>
<span class="token keyword">let</span>  videoDom <span class="token operator">=</span> document<span class="token punctuation">.</span><span class="token function">querselector</span><span class="token punctuation">(</span><span class="token string">'video'</span><span class="token punctuation">)</span>
videoDom<span class="token punctuation">.</span><span class="token function">pause</span><span class="token punctuation">(</span><span class="token punctuation">)</span>
videoDom<span class="token punctuation">.</span><span class="token function">play</span> <span class="token punctuation">(</span><span class="token punctuation">)</span>
videoDom<span class="token punctuation">.</span><span class="token function">load</span><span class="token punctuation">(</span><span class="token punctuation">)</span>

</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br><span class="line-number">4</span><br><span class="line-number">5</span><br><span class="line-number">6</span><br></div></div><h4 id="通过js获取的属性"><a href="#通过js获取的属性" class="header-anchor">#</a> 通过js获取的属性</h4> <ul><li>视频的总时长</li> <li>视频当前播放的时间</li></ul> <div class="language-js line-numbers-mode"><pre class="language-js"><code><span class="token comment">//获取video dom</span>
<span class="token keyword">let</span>  videoDom <span class="token operator">=</span> document<span class="token punctuation">.</span><span class="token function">querselector</span><span class="token punctuation">(</span><span class="token string">'video'</span><span class="token punctuation">)</span>
videoDom<span class="token punctuation">.</span>duration   <span class="token comment">//总时间</span>
videoDom<span class="token punctuation">.</span>currentTime   <span class="token comment">//当前时间</span>

</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br><span class="line-number">4</span><br><span class="line-number">5</span><br></div></div><ul><li>手写播放器</li></ul> <div class="language-html line-numbers-mode"><pre class="language-html"><code><span class="token doctype"><span class="token punctuation">&lt;!</span><span class="token doctype-tag">DOCTYPE</span> <span class="token name">html</span><span class="token punctuation">&gt;</span></span>
<span class="token tag"><span class="token tag"><span class="token punctuation">&lt;</span>html</span> <span class="token attr-name">lang</span><span class="token attr-value"><span class="token punctuation attr-equals">=</span><span class="token punctuation">&quot;</span>en<span class="token punctuation">&quot;</span></span><span class="token punctuation">&gt;</span></span>
<span class="token tag"><span class="token tag"><span class="token punctuation">&lt;</span>head</span><span class="token punctuation">&gt;</span></span>
    <span class="token tag"><span class="token tag"><span class="token punctuation">&lt;</span>meta</span> <span class="token attr-name">charset</span><span class="token attr-value"><span class="token punctuation attr-equals">=</span><span class="token punctuation">&quot;</span>UTF-8<span class="token punctuation">&quot;</span></span><span class="token punctuation">&gt;</span></span>
    <span class="token tag"><span class="token tag"><span class="token punctuation">&lt;</span>meta</span> <span class="token attr-name">name</span><span class="token attr-value"><span class="token punctuation attr-equals">=</span><span class="token punctuation">&quot;</span>viewport<span class="token punctuation">&quot;</span></span> <span class="token attr-name">content</span><span class="token attr-value"><span class="token punctuation attr-equals">=</span><span class="token punctuation">&quot;</span>width=device-width, initial-scale=1.0<span class="token punctuation">&quot;</span></span><span class="token punctuation">&gt;</span></span>
    <span class="token tag"><span class="token tag"><span class="token punctuation">&lt;</span>title</span><span class="token punctuation">&gt;</span></span>Document<span class="token tag"><span class="token tag"><span class="token punctuation">&lt;/</span>title</span><span class="token punctuation">&gt;</span></span>
    <span class="token tag"><span class="token tag"><span class="token punctuation">&lt;</span>style</span><span class="token punctuation">&gt;</span></span><span class="token style"><span class="token language-css">
        <span class="token selector">.box</span><span class="token punctuation">{</span>
            <span class="token property">position</span><span class="token punctuation">:</span> relative<span class="token punctuation">;</span>
            <span class="token property">width</span><span class="token punctuation">:</span> 600px<span class="token punctuation">;</span>
            <span class="token property">height</span><span class="token punctuation">:</span> 400px<span class="token punctuation">;</span>
        <span class="token punctuation">}</span>
        <span class="token selector">.crton</span><span class="token punctuation">{</span>
            <span class="token property">position</span><span class="token punctuation">:</span> absolute<span class="token punctuation">;</span>
            <span class="token property">bottom</span><span class="token punctuation">:</span> 32px<span class="token punctuation">;</span>
            <span class="token property">left</span><span class="token punctuation">:</span> 0<span class="token punctuation">;</span>
            <span class="token property">width</span><span class="token punctuation">:</span> 600px<span class="token punctuation">;</span>
            <span class="token property">height</span><span class="token punctuation">:</span> 50px<span class="token punctuation">;</span>
            <span class="token property">background-color</span><span class="token punctuation">:</span><span class="token function">rgba</span><span class="token punctuation">(</span>0<span class="token punctuation">,</span>0<span class="token punctuation">,</span>0<span class="token punctuation">,</span>0.3<span class="token punctuation">)</span><span class="token punctuation">;</span>
            
        <span class="token punctuation">}</span>
        <span class="token selector">.progress</span><span class="token punctuation">{</span>
            <span class="token property">position</span><span class="token punctuation">:</span> relative<span class="token punctuation">;</span>
            <span class="token property">width</span><span class="token punctuation">:</span> auto<span class="token punctuation">;</span>
            <span class="token property">margin</span><span class="token punctuation">:</span> 0 10px<span class="token punctuation">;</span>
            <span class="token property">height</span><span class="token punctuation">:</span> 5px<span class="token punctuation">;</span>
            <span class="token property">border-radius</span><span class="token punctuation">:</span> 2px<span class="token punctuation">;</span>
    
        <span class="token punctuation">}</span>
        <span class="token selector">.progress-bg</span><span class="token punctuation">{</span>
            <span class="token property">position</span><span class="token punctuation">:</span> absolute<span class="token punctuation">;</span>
            <span class="token property">left</span><span class="token punctuation">:</span> 0<span class="token punctuation">;</span>
            <span class="token property">top</span><span class="token punctuation">:</span> 0<span class="token punctuation">;</span>
            <span class="token property">width</span><span class="token punctuation">:</span> 100%<span class="token punctuation">;</span>
            <span class="token property">height</span><span class="token punctuation">:</span> 5px<span class="token punctuation">;</span>
            <span class="token property">border-radius</span><span class="token punctuation">:</span> 2px<span class="token punctuation">;</span>
            <span class="token property">background</span><span class="token punctuation">:</span> #aaa<span class="token punctuation">;</span>
        <span class="token punctuation">}</span>
        <span class="token selector">.progress-active</span><span class="token punctuation">{</span>
            <span class="token property">position</span><span class="token punctuation">:</span> absolute<span class="token punctuation">;</span>
            <span class="token property">left</span><span class="token punctuation">:</span> 0<span class="token punctuation">;</span>
            <span class="token property">top</span><span class="token punctuation">:</span> 0<span class="token punctuation">;</span>
            <span class="token property">width</span><span class="token punctuation">:</span> 0%<span class="token punctuation">;</span>
            <span class="token property">height</span><span class="token punctuation">:</span> 5px<span class="token punctuation">;</span>
            <span class="token property">border-radius</span><span class="token punctuation">:</span> 2px<span class="token punctuation">;</span>
            <span class="token property">background</span><span class="token punctuation">:</span> #00aeec<span class="token punctuation">;</span>
        <span class="token punctuation">}</span>
        <span class="token selector">.btns</span><span class="token punctuation">{</span>
            <span class="token property">width</span><span class="token punctuation">:</span>auto<span class="token punctuation">;</span>
            <span class="token property">margin</span><span class="token punctuation">:</span> 0 10px<span class="token punctuation">;</span>
            <span class="token property">height</span><span class="token punctuation">:</span> 45px<span class="token punctuation">;</span>
            <span class="token property">display</span><span class="token punctuation">:</span> flex<span class="token punctuation">;</span>
            <span class="token property">align-items</span><span class="token punctuation">:</span> center<span class="token punctuation">;</span>
        <span class="token punctuation">}</span>
        <span class="token selector">img</span><span class="token punctuation">{</span>
            <span class="token property">width</span><span class="token punctuation">:</span> 20px<span class="token punctuation">;</span>
            <span class="token property">height</span><span class="token punctuation">:</span> 20px<span class="token punctuation">;</span>
            <span class="token property">margin-right</span><span class="token punctuation">:</span> 20px<span class="token punctuation">;</span>
        <span class="token punctuation">}</span>
        <span class="token selector">.time</span><span class="token punctuation">{</span>
            <span class="token property">color</span><span class="token punctuation">:</span> #fff<span class="token punctuation">;</span>
        <span class="token punctuation">}</span>
        <span class="token selector">#stop</span><span class="token punctuation">{</span>
            <span class="token property">display</span><span class="token punctuation">:</span> none<span class="token punctuation">;</span>
        <span class="token punctuation">}</span>
    </span></span><span class="token tag"><span class="token tag"><span class="token punctuation">&lt;/</span>style</span><span class="token punctuation">&gt;</span></span>
<span class="token tag"><span class="token tag"><span class="token punctuation">&lt;/</span>head</span><span class="token punctuation">&gt;</span></span>
<span class="token tag"><span class="token tag"><span class="token punctuation">&lt;</span>body</span><span class="token punctuation">&gt;</span></span>
    <span class="token tag"><span class="token tag"><span class="token punctuation">&lt;</span>div</span> <span class="token attr-name">class</span><span class="token attr-value"><span class="token punctuation attr-equals">=</span><span class="token punctuation">&quot;</span>box<span class="token punctuation">&quot;</span></span><span class="token punctuation">&gt;</span></span>
        <span class="token tag"><span class="token tag"><span class="token punctuation">&lt;</span>video</span> <span class="token attr-name">src</span><span class="token attr-value"><span class="token punctuation attr-equals">=</span><span class="token punctuation">&quot;</span>./video/1.mp4<span class="token punctuation">&quot;</span></span> <span class="token attr-name">width</span><span class="token attr-value"><span class="token punctuation attr-equals">=</span><span class="token punctuation">&quot;</span>600<span class="token punctuation">&quot;</span></span> <span class="token attr-name">height</span><span class="token attr-value"><span class="token punctuation attr-equals">=</span><span class="token punctuation">&quot;</span>400<span class="token punctuation">&quot;</span></span><span class="token punctuation">&gt;</span></span><span class="token tag"><span class="token tag"><span class="token punctuation">&lt;/</span>video</span><span class="token punctuation">&gt;</span></span>
        <span class="token tag"><span class="token tag"><span class="token punctuation">&lt;</span>div</span> <span class="token attr-name">class</span><span class="token attr-value"><span class="token punctuation attr-equals">=</span><span class="token punctuation">&quot;</span>crton<span class="token punctuation">&quot;</span></span><span class="token punctuation">&gt;</span></span>
            <span class="token tag"><span class="token tag"><span class="token punctuation">&lt;</span>div</span> <span class="token attr-name">class</span><span class="token attr-value"><span class="token punctuation attr-equals">=</span><span class="token punctuation">&quot;</span>progress<span class="token punctuation">&quot;</span></span><span class="token punctuation">&gt;</span></span>
                <span class="token tag"><span class="token tag"><span class="token punctuation">&lt;</span>div</span> <span class="token attr-name">class</span><span class="token attr-value"><span class="token punctuation attr-equals">=</span><span class="token punctuation">&quot;</span>progress-bg<span class="token punctuation">&quot;</span></span><span class="token punctuation">&gt;</span></span><span class="token tag"><span class="token tag"><span class="token punctuation">&lt;/</span>div</span><span class="token punctuation">&gt;</span></span>
                <span class="token tag"><span class="token tag"><span class="token punctuation">&lt;</span>div</span> <span class="token attr-name">class</span><span class="token attr-value"><span class="token punctuation attr-equals">=</span><span class="token punctuation">&quot;</span>progress-active<span class="token punctuation">&quot;</span></span><span class="token punctuation">&gt;</span></span><span class="token tag"><span class="token tag"><span class="token punctuation">&lt;/</span>div</span><span class="token punctuation">&gt;</span></span>
            <span class="token tag"><span class="token tag"><span class="token punctuation">&lt;/</span>div</span><span class="token punctuation">&gt;</span></span>
            <span class="token tag"><span class="token tag"><span class="token punctuation">&lt;</span>div</span> <span class="token attr-name">class</span><span class="token attr-value"><span class="token punctuation attr-equals">=</span><span class="token punctuation">&quot;</span>btns<span class="token punctuation">&quot;</span></span><span class="token punctuation">&gt;</span></span>
                <span class="token tag"><span class="token tag"><span class="token punctuation">&lt;</span>img</span> <span class="token attr-name">src</span><span class="token attr-value"><span class="token punctuation attr-equals">=</span><span class="token punctuation">&quot;</span>./icon/pre.png<span class="token punctuation">&quot;</span></span> <span class="token attr-name">alt</span><span class="token attr-value"><span class="token punctuation attr-equals">=</span><span class="token punctuation">&quot;</span><span class="token punctuation">&quot;</span></span><span class="token punctuation">&gt;</span></span>
                <span class="token tag"><span class="token tag"><span class="token punctuation">&lt;</span>img</span> <span class="token attr-name">src</span><span class="token attr-value"><span class="token punctuation attr-equals">=</span><span class="token punctuation">&quot;</span>./icon/stop.png<span class="token punctuation">&quot;</span></span> <span class="token attr-name">id</span><span class="token attr-value"><span class="token punctuation attr-equals">=</span><span class="token punctuation">&quot;</span>stop<span class="token punctuation">&quot;</span></span> <span class="token attr-name">alt</span><span class="token attr-value"><span class="token punctuation attr-equals">=</span><span class="token punctuation">&quot;</span><span class="token punctuation">&quot;</span></span><span class="token punctuation">&gt;</span></span>
                <span class="token tag"><span class="token tag"><span class="token punctuation">&lt;</span>img</span> <span class="token attr-name">src</span><span class="token attr-value"><span class="token punctuation attr-equals">=</span><span class="token punctuation">&quot;</span>./icon/play.png<span class="token punctuation">&quot;</span></span> <span class="token attr-name">id</span><span class="token attr-value"><span class="token punctuation attr-equals">=</span><span class="token punctuation">&quot;</span>play<span class="token punctuation">&quot;</span></span> <span class="token attr-name">alt</span><span class="token attr-value"><span class="token punctuation attr-equals">=</span><span class="token punctuation">&quot;</span><span class="token punctuation">&quot;</span></span><span class="token punctuation">&gt;</span></span>
                <span class="token tag"><span class="token tag"><span class="token punctuation">&lt;</span>img</span> <span class="token attr-name">src</span><span class="token attr-value"><span class="token punctuation attr-equals">=</span><span class="token punctuation">&quot;</span>./icon/next.png<span class="token punctuation">&quot;</span></span> <span class="token attr-name">alt</span><span class="token attr-value"><span class="token punctuation attr-equals">=</span><span class="token punctuation">&quot;</span><span class="token punctuation">&quot;</span></span><span class="token punctuation">&gt;</span></span>
                <span class="token tag"><span class="token tag"><span class="token punctuation">&lt;</span>div</span> <span class="token attr-name">class</span><span class="token attr-value"><span class="token punctuation attr-equals">=</span><span class="token punctuation">&quot;</span>time<span class="token punctuation">&quot;</span></span><span class="token punctuation">&gt;</span></span>11:00/20:00<span class="token tag"><span class="token tag"><span class="token punctuation">&lt;/</span>div</span><span class="token punctuation">&gt;</span></span>
            <span class="token tag"><span class="token tag"><span class="token punctuation">&lt;/</span>div</span><span class="token punctuation">&gt;</span></span>
        <span class="token tag"><span class="token tag"><span class="token punctuation">&lt;/</span>div</span><span class="token punctuation">&gt;</span></span>
    <span class="token tag"><span class="token tag"><span class="token punctuation">&lt;/</span>div</span><span class="token punctuation">&gt;</span></span>
    <span class="token tag"><span class="token tag"><span class="token punctuation">&lt;</span>script</span><span class="token punctuation">&gt;</span></span><span class="token script"><span class="token language-javascript">
        <span class="token keyword">let</span> videoDom <span class="token operator">=</span> document<span class="token punctuation">.</span><span class="token function">querySelector</span><span class="token punctuation">(</span><span class="token string">'video'</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
        <span class="token keyword">let</span> timeDom <span class="token operator">=</span> document<span class="token punctuation">.</span><span class="token function">querySelector</span><span class="token punctuation">(</span><span class="token string">'.time'</span><span class="token punctuation">)</span>
        <span class="token keyword">let</span> progressActiveDom <span class="token operator">=</span> document<span class="token punctuation">.</span><span class="token function">querySelector</span><span class="token punctuation">(</span><span class="token string">'.progress-active'</span><span class="token punctuation">)</span>

        <span class="token comment">// 播放功能</span>
        <span class="token keyword">let</span> playBtn <span class="token operator">=</span> document<span class="token punctuation">.</span><span class="token function">querySelector</span><span class="token punctuation">(</span><span class="token string">'#play'</span><span class="token punctuation">)</span>
        playBtn<span class="token punctuation">.</span><span class="token function">addEventListener</span><span class="token punctuation">(</span><span class="token string">'click'</span><span class="token punctuation">,</span><span class="token keyword">function</span><span class="token punctuation">(</span><span class="token punctuation">)</span><span class="token punctuation">{</span>
            videoDom<span class="token punctuation">.</span><span class="token function">play</span><span class="token punctuation">(</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
            playBtn<span class="token punctuation">.</span>style<span class="token punctuation">.</span>display <span class="token operator">=</span><span class="token string">'none'</span>
            stopBtn<span class="token punctuation">.</span>style<span class="token punctuation">.</span>display<span class="token operator">=</span><span class="token string">'block'</span>
        <span class="token punctuation">}</span><span class="token punctuation">)</span>
        <span class="token comment">// 暂停播放</span>
        <span class="token keyword">let</span> stopBtn <span class="token operator">=</span> document<span class="token punctuation">.</span><span class="token function">querySelector</span><span class="token punctuation">(</span><span class="token string">'#stop'</span><span class="token punctuation">)</span>
        stopBtn<span class="token punctuation">.</span><span class="token function">addEventListener</span><span class="token punctuation">(</span><span class="token string">'click'</span><span class="token punctuation">,</span><span class="token keyword">function</span><span class="token punctuation">(</span><span class="token punctuation">)</span><span class="token punctuation">{</span>
            videoDom<span class="token punctuation">.</span><span class="token function">pause</span><span class="token punctuation">(</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
            stopBtn<span class="token punctuation">.</span>style<span class="token punctuation">.</span>display <span class="token operator">=</span><span class="token string">'none'</span>
            playBtn<span class="token punctuation">.</span>style<span class="token punctuation">.</span>display<span class="token operator">=</span><span class="token string">'block'</span>
        <span class="token punctuation">}</span><span class="token punctuation">)</span>

        <span class="token comment">// 时间和总时间</span>
        <span class="token function">setInterval</span><span class="token punctuation">(</span><span class="token keyword">function</span><span class="token punctuation">(</span><span class="token punctuation">)</span><span class="token punctuation">{</span>
            <span class="token comment">// 当前时间 </span>
            <span class="token keyword">let</span> currentTime <span class="token operator">=</span>   videoDom<span class="token punctuation">.</span>currentTime<span class="token punctuation">;</span>
            <span class="token comment">// 总时间</span>
            <span class="token keyword">let</span> total <span class="token operator">=</span> videoDom<span class="token punctuation">.</span>duration<span class="token punctuation">;</span>

            <span class="token comment">// 处理时间</span>
            <span class="token keyword">let</span> min <span class="token operator">=</span>  <span class="token function">parseInt</span><span class="token punctuation">(</span>currentTime<span class="token operator">/</span><span class="token number">60</span><span class="token punctuation">)</span> 
            <span class="token keyword">let</span> s <span class="token operator">=</span> <span class="token function">parseInt</span><span class="token punctuation">(</span>currentTime<span class="token operator">%</span><span class="token number">60</span><span class="token punctuation">)</span> 
            min<span class="token operator">=</span> min<span class="token operator">&lt;</span><span class="token number">10</span><span class="token operator">?</span><span class="token string">'0'</span><span class="token operator">+</span>min<span class="token operator">:</span>min
            s <span class="token operator">=</span> s<span class="token operator">&lt;</span><span class="token number">10</span><span class="token operator">?</span><span class="token string">'0'</span><span class="token operator">+</span>s<span class="token operator">:</span>s
            <span class="token keyword">let</span> currentTime1 <span class="token operator">=</span> min<span class="token operator">+</span><span class="token string">&quot;:&quot;</span><span class="token operator">+</span>s<span class="token punctuation">;</span>

            <span class="token keyword">let</span> min1 <span class="token operator">=</span>  <span class="token function">parseInt</span><span class="token punctuation">(</span>total<span class="token operator">/</span><span class="token number">60</span><span class="token punctuation">)</span> 
            <span class="token keyword">let</span> s1 <span class="token operator">=</span> <span class="token function">parseInt</span><span class="token punctuation">(</span>total<span class="token operator">%</span><span class="token number">60</span><span class="token punctuation">)</span> 
            min1<span class="token operator">=</span> min1<span class="token operator">&lt;</span><span class="token number">10</span><span class="token operator">?</span><span class="token string">'0'</span><span class="token operator">+</span>min1<span class="token operator">:</span>min1
            s1 <span class="token operator">=</span> s1<span class="token operator">&lt;</span><span class="token number">10</span><span class="token operator">?</span><span class="token string">'0'</span><span class="token operator">+</span>s1<span class="token operator">:</span>s1
            <span class="token keyword">let</span> total1 <span class="token operator">=</span> min1<span class="token operator">+</span><span class="token string">&quot;:&quot;</span><span class="token operator">+</span>s1<span class="token punctuation">;</span>

            
     
            timeDom<span class="token punctuation">.</span>textContent <span class="token operator">=</span> currentTime1 <span class="token operator">+</span><span class="token string">'/'</span><span class="token operator">+</span>total1

            <span class="token comment">// 计算进度条 的宽度  ==当前时间/总时间</span>
            <span class="token keyword">let</span> progressNum <span class="token operator">=</span> currentTime<span class="token operator">/</span>total<span class="token operator">*</span><span class="token number">100</span><span class="token punctuation">;</span>
            progressActiveDom<span class="token punctuation">.</span>style<span class="token punctuation">.</span>width <span class="token operator">=</span> progressNum<span class="token operator">+</span><span class="token string">'%'</span><span class="token punctuation">;</span>


        <span class="token punctuation">}</span><span class="token punctuation">,</span><span class="token number">1000</span><span class="token punctuation">)</span>





    </span></span><span class="token tag"><span class="token tag"><span class="token punctuation">&lt;/</span>script</span><span class="token punctuation">&gt;</span></span>
<span class="token tag"><span class="token tag"><span class="token punctuation">&lt;/</span>body</span><span class="token punctuation">&gt;</span></span>
<span class="token tag"><span class="token tag"><span class="token punctuation">&lt;/</span>html</span><span class="token punctuation">&gt;</span></span>
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